Three Austrian men who completely lost the use of their hands as a result of devastating nerve damage have been given robotic hands that they can control with their mind. GautamNaik reports. Photo: Medical University of Vienna

A mile under a mountain in the Italian village of Gran Sasso, scientists are seeking one of the smallest objects in the universe—and one of the biggest prizes in physics: a wimp. GautamNaik visited the lab. Photo: Gran Sasso National Laboratory.

Scientists have unveiled a potent new antibiotic that can fight germs without becoming resistant to them. WSJ's GautamNaik discusses the implications with Sara Murray. Photo: Slava Epstein/Northeastern University.

Direct measurements of the water contained on comet 67P/Churyumov-Gerasimenko by the Rosetta spacecraft suggest that it was asteroids that brought most of the water to the early Earth. The findings undermine a view which favored comets as the source of Earth’s water. GautamNaik reports.

Scientists have identified a genetic mechanism that explains how birds develop different beak shapes in response to changes in their environment, a vivid illustration of evolution working at the most rudimentary level.